ResearchRouting table, looking glass, RPKI & IRR

203.168.0.0/19 IOT Guangdong network, Chinatelecom, P.R.China.

Announced by AS137692 IOT Guangdong network, Chinatelecom, P.R.China. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 203.168.0.0/19

Prefix
203.168.0.0/19
Origin
AS137692 CHINATELECOM-IOT-GUANGDONG-Network
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
16
IRR route objects
3 exact, 2 covering
In RouteViews
2026-10-14 12:02 UTC
Paths

How 203.168.0.0/19 is reached

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 4134 137692
OriginAS137692 IOT Guangdong network, Chinatelecom, P.R.China.
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated6d 9h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 137692
OriginAS137692 IOT Guangdong network, Chinatelecom, P.R.China.
Origin codeIGP
Communities903:900 903:13760
Updated6d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 137692
OriginAS137692 IOT Guangdong network, Chinatelecom, P.R.China.
Origin codeIGP
Communities36295:100
Updated6d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4134 137692
OriginAS137692 IOT Guangdong network, Chinatelecom, P.R.China.
Origin codeIGP
Communities174:21001 174:22013
Updated6d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 137692
OriginAS137692 IOT Guangdong network, Chinatelecom, P.R.China.
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated10d 10h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS137692 to originate 203.168.0.0/19 up to /19. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
203.168.0.0/19/19AS137692 CHINATELECOM-IOT-GUANGDONG-NetworkAPNIC
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
203.168.0.0/19AS137692 CHINATELECOM-IOT-GUANGDONG-NetworkRADBGuangDong IoTMAINT-CT-GNOC
203.168.0.0/19AS9497 DIGITELONEREACHREACH (Customer Route)MAINT-REACH-NOC
203.168.0.0/19AS17895 GLOBALREACH-APREACHREACH (Customer Route)MAINT-REACH-NOC
203.168.0.0/17 coveringAS7545 TPG-INTERNET-APRADBProxy route object registered by AS2764MAINT-AS2764
203.168.0.0/17 coveringAS9942 COMINDICO-APRADBAsia Pacific Network Information Centre (139763)MAINT-AS2764
More specific

Prefixes inside 203.168.0.0/19

16 announced prefixes fall inside this one.

Show the 16 prefixes
203.168.0.0/23 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.2.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.3.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.5.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.6.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.7.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.8.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.9.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.10.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.11.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.12.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.13.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.14.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.15.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.16.0/23 AS137692 CHINATELECOM-IOT-GUANGDONG-Network203.168.18.0/24 AS137692 CHINATELECOM-IOT-GUANGDONG-Network
Tools

Check 203.168.0.0/19 live

Looking glassIP to ASN APIRPKI APIIRR API